设置按钮是否可用[_tmpBtn setUserInteractionEnabled:YES][_tmpBtn setUserInteractionEnabled:NO]
设置按钮是否可用
[_tmpBtn setUserInteractionEnabled:YES];
[_tmpBtn setUserInteractionEnabled:NO];
设置按钮是否可用
[_tmpBtn setUserInteractionEnabled:YES];
[_tmpBtn setUserInteractionEnabled:NO];